1-8
: 3s followed by 1s dance down for 2 steps & set to partners, 1s dance up
  & cast to 3rd place **while** 3s dance up to 1st place
9-16
: 3s+2s+1s dance Reverse Snowball Grand Chain for 3 cpls to end 1 (2) 3:

: 1s cross RH & change places LH on side with 2s

: 1s change places RH with 3s **while** 2s cross RH

: 1s cross LH **while** 3s & 2s change places LH.  1 (2) 3
17-24
: 1s+2s set advancing into circle (hands joined) & petronella turn 1 place
  to right, set in circle (hands joined) & petronella turn to end on
  sides
25-32
: 1L dances 1/2 Fig of 8 round 2s & 1M dances 1/2 Fig of 8
  round 3s, 2s+1s+3s turn RH